Geoestatistics applied to soils in Amazonia: case of forest-pasture succession in Rondônia

• Grant number: 95/01451-6
• Support Opportunities: Regular Research Grants
• Start date: August 01, 1995
• End date: January 31, 1998
• Field of knowledge: Agronomical Sciences - Agronomy
• Principal Investigator: Carlos Clemente Cerri
• Grantee: Carlos Clemente Cerri
• Host Institution: Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil

Abstract

The spatial variability of nutrients, principally for carbon, nitrogen and phosphorus, and of some physicalchemical properties of the soil will be studied in the case of a forest-pasture succession in Rondônia. We will use different experimental sampling patterns standards varying fromone hundred square meters to dozens of square kilometers for the collection of data. The data will be analyzed by geostatic and statistical treatment in order to obtain a methodology to improve the estimates of stocks of nutrients in the soil and also ideal sampling patterns. (AU)